Identity & Access Management (SSO/CIAM) Market Share & Usage Statistics (2026)
Facebook Login runs on 621,585 live websites, 63.4% of the 979,945 sites we detect using identity & access management (SSO/CIAM). Below, all 54 tools we detect in this category, ranked by live websites, with market share and 30-day adoption momentum.
Data updated Aug 19, 2026
- #1
Clerk
Clerk is a user management and authentication platform for developers, managing over 200 million users across 15,000+ applications.
Live websites8,315Market Share0.85%Top CountryDenmark - #2
Auth0
Auth0 is an identity-as-a-service platform that processes 2.
Live websites4,812Market Share0.49%Top CountryUnited States
Identity & Access (SSO/CIAM) Market Data
Adoption and 30-day momentum across 54 identity & access (sso/ciam) technologies, measured from our live detection crawl.
Biggest Movers
Market Share
- FFacebook Login63.43%
- GGoogle Sign-in22.36%
- DDuo Security2.15%
- LLinkedin Sign-in2.15%
- 11Password2.13%
- NNextAuth.js1.66%
- …Others6.1%
Identity & Access (SSO/CIAM)
FAQ.
What is Identity & Access (SSO/CIAM) software?
Identity & Access (SSO/CIAM) software helps businesses automate repetitive marketing tasks such as email campaigns, lead nurturing, social media posting, and customer segmentation. These platforms enable companies to deliver personalized communications at scale, track engagement across channels, and measure ROI — ultimately turning leads into customers more efficiently. Our database currently tracks 7,311 active customers across 2 identity & access (sso/ciam) tools.
What are the most popular identity & access (sso/ciam) platforms?
Based on our analysis of 7,311 customers, the leading identity & access (sso/ciam) platforms are: Auth0 (0.25% market share, 6,510 customers), Clerk (0.68% market share, 801 customers). Other notable platforms include .
Which identity & access (sso/ciam) tool has the largest market share?
Auth0 leads the identity & access (sso/ciam) category with 0.25% market share and 6,510 detected customers. It's particularly popular among Software Development companies and businesses with 1-10 employees.
Which industries use identity & access (sso/ciam) software the most?
The top industries adopting identity & access (sso/ciam) tools are Software Development, Technology, Information and Internet, Financial Services, IT Services and IT Consulting, Hospitals and Health Care. These industries rely heavily on automated marketing workflows to manage large customer bases, personalize outreach, and optimize conversion funnels across multiple touchpoints.
Which countries have the highest adoption of identity & access (sso/ciam) tools?
Identity & Access (SSO/CIAM) adoption is strongest in United States, United Kingdom, Canada, Germany, Australia. The United States leads significantly due to its large SaaS ecosystem and digital marketing maturity. European markets like the UK and Germany follow, driven by growing e-commerce and B2B demand for automated customer engagement.
How do I choose the right identity & access (sso/ciam) platform?
Consider your business size, industry, and primary use case. Auth0 is ideal for all-in-one CRM and marketing needs. Clerk excels at e-commerce and SMS marketing. undefined is popular for straightforward email campaigns and small businesses. Evaluate each platform's integrations, pricing tiers, and automation capabilities against your specific workflow requirements.
How many companies use identity & access (sso/ciam) software?
TechnologyChecker.io tracks 7,311 active customers using identity & access (sso/ciam) tools, with 6,402 companies enriched with LinkedIn company data. We crawl 2 billion+ URLs across 29.9M live business domains each sweep.
What is the source of this data?
TechnologyChecker.io's web crawling and technology detection platform. We've logged 2.12 billion total detections over 20+ years, covering 40,000+ technologies across 29.6M domains. Detection methods include JavaScript analysis, HTTP headers, HTML patterns, and DNS records.